Where: Chubut, Argentina (42.1° S, 71.3° W: paleocoordinates 44.6° S, 61.4° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Ventana Formation (Nahuel Huapi Group), Early/Lower Eocene (55.8 - 48.6 Ma)
Environment/lithology: terrestrial; lithified, fine-grained, gray sandstone
Size class: macrofossils
Preservation: adpression, original cellulose
Collected by Lic. A. Genini
Primary reference: A. Baldoni, M. Dibbern, and A. Genine. 1985. Nota sobre una especie de Blechnum (Blechnaceae - Pteridophyta) e impronta de Fagus subferruginea Dusen en el Terciario de la provincia de Chubut, Argentina. Ameghiniana 22(3-4):229-232 [C. Jaramillo/J. Ceballos/A. Cardenas ]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 136410: authorized by Carlos Jaramillo, entered by Juliana Ceballos on 28.11.2012
Creative Commons license: CC BY (attribution)
Taxonomic list
Polypodiopsida | |
Blechnum sp. Linnaeus 1753 | |
Angiospermae | |
Fagus subferruginea Dusen 1899 beech |